This interesting circuit was found in a 90’s American documentation. The circuit has a maximum current of 20 A and uses a transformer with the characteristics given next to the diagram.
This Mullard circuit was found in a 1969 documentation. It uses complementary transistors on the output and...
This circuit was found in an American documentation from 1968. The configuration can be adapted to...
We found this configuration in the Linear Applications Handbook of the National Semiconductor of...